package com.zxy.service;

import org.springframework.beans.factory.InitializingBean;
import org.springframework.context.ApplicationListener;
import org.springframework.context.event.ContextRefreshedEvent;

public class InstantiationTracingBeanPostProcessor  implements InitializingBean , ApplicationListener<ContextRefreshedEvent> {

    @Override
    public void afterPropertiesSet() throws Exception {

    }


    @Override
    public void onApplicationEvent(ContextRefreshedEvent event) {
        System.out.println("-------------------- onApplicationEvent ----------------------");
        //需要执行的逻辑代码，当spring容器初始化完成后就会执行该方法。
        if(event.getApplicationContext().getParent() == null){//root application context 没有parent，他就是老大.
            //需要执行的逻辑代码，当spring容器初始化完成后就会执行该方法。

        }
    }
}

